Denman Consulting Services specializes in group health and voluntary benefits management consulting, as well as workplace wellness program planning, design, implementation, compliance and cost containment advisory services for clients in the western United States, according to a statement from Gallagher.

“Over the last 27 years, Denman Consulting Services has developed a strong team with the experience and expertise in providing the latest solutions for their clients' employee benefit needs,” J. Patrick Gallagher Jr., Gallagher's chairman, president and CEO, said in the statement. “This team's solid growth is a tribute to their entrepreneurial culture and their focus on quality client service.”

Denman Consulting Services' current staff, including its president, William Denman, will continue to work from the company's office in Denver and will report to Norbert Chung, the Los Angeles-based executive vice president of Gallagher Benefits Services Inc.'s western region, according to Gallagher's statement.

Arthur J. Gallagher is the world's fourth-largest insurance broker, according to Business Insurance's latest ranking.